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<div class="header">
  <div class="headertitle"><div class="title">portmacro.h</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * FreeRTOS Kernel V10.3.1</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy of</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * this software and associated documentation files (the &quot;Software&quot;), to deal in</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * the Software without restriction, including without limitation the rights to</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * the Software, and to permit persons to whom the Software is furnished to do so,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * subject to the following conditions:</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * copies or substantial portions of the Software.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> *</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * http://www.FreeRTOS.org</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * http://aws.amazon.com/freertos</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> *</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * 1 tab == 4 spaces!</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> */</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#ifndef PORTMACRO_H</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#define PORTMACRO_H</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#include &quot;FreeRTOS.h&quot;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;FreeRTOSConfig.h&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment">/*-----------------------------------------------------------</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> * Port specific definitions.</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> *</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> * The settings in this file configure FreeRTOS correctly for the</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * given hardware and compiler.</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> *</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> * These settings should not be altered.</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *-----------------------------------------------------------</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> */</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment">/* Type definitions. */</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="preprocessor">#define portCHAR        char</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="preprocessor">#define portFLOAT       float</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="preprocessor">#define portDOUBLE      double</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="preprocessor">#define portLONG        long</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="preprocessor">#define portSHORT       short</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="preprocessor">#define portSTACK_TYPE  uint32_t</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="preprocessor">#define portBASE_TYPE   long</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="keyword">typedef</span> portSTACK_TYPE StackType_t;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="keyword">typedef</span> <span class="keywordtype">long</span> BaseType_t;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> UBaseType_t;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="preprocessor">#if( configUSE_16_BIT_TICKS == 1 )</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>    <span class="keyword">typedef</span> uint16_t TickType_t;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="preprocessor">    #define portMAX_DELAY ( TickType_t ) 0xffff</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    <span class="keyword">typedef</span> uint32_t TickType_t;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="preprocessor">    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>    <span class="comment">/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">    not need to be guarded with a critical section. */</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="preprocessor">    #define portTICK_TYPE_IS_ATOMIC 1</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">/* Architecture specifics. */</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="preprocessor">#define portSTACK_GROWTH            ( -1 )</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="preprocessor">#define portTICK_PERIOD_MS          ( ( TickType_t ) 1000 / configTICK_RATE_HZ )</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="preprocessor">#define portBYTE_ALIGNMENT          8</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">/* Scheduler utilities. */</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="preprocessor">#define portYIELD()                                                             \</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="preprocessor">{                                                                               \</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="preprocessor">    </span><span class="comment">/* Set a PendSV to request a context switch. */</span><span class="preprocessor">                             \</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="preprocessor">    portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT;                             \</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="preprocessor">                                                                                \</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="preprocessor">    </span><span class="comment">/* Barriers are normally not required but do ensure the code is completely  \</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">    within the specified behaviour for the architecture. */</span><span class="preprocessor">                     \</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="preprocessor">    __asm volatile( &quot;dsb&quot; ::: &quot;memory&quot; );                                       \</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="preprocessor">    __asm volatile( &quot;isb&quot; );                                                    \</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="preprocessor">}</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="preprocessor">#define portNVIC_INT_CTRL_REG       ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="preprocessor">#define portNVIC_PENDSVSET_BIT      ( 1UL &lt;&lt; 28UL )</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="preprocessor">#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired != pdFALSE ) portYIELD()</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="preprocessor">#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">/* Critical section management. */</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="keyword">extern</span> <span class="keywordtype">void</span> vPortEnterCritical( <span class="keywordtype">void</span> );</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="keyword">extern</span> <span class="keywordtype">void</span> vPortExitCritical( <span class="keywordtype">void</span> );</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="preprocessor">#define portSET_INTERRUPT_MASK_FROM_ISR()       ulPortRaiseBASEPRI()</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="preprocessor">#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x)    vPortSetBASEPRI(x)</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="preprocessor">#define portDISABLE_INTERRUPTS()                vPortRaiseBASEPRI()</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="preprocessor">#define portENABLE_INTERRUPTS()                 vPortSetBASEPRI(0)</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="preprocessor">#define portENTER_CRITICAL()                    vPortEnterCritical()</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="preprocessor">#define portEXIT_CRITICAL()                     vPortExitCritical()</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">/* Task function macros as described on the FreeRTOS.org WEB site.  These are</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">not necessary for to use this port.  They are defined so the common demo files</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">(which build with all the ports) will build. */</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="preprocessor">#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="preprocessor">#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">/* Tickless idle/low power functionality. */</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="preprocessor">#ifndef portSUPPRESS_TICKS_AND_SLEEP</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    <span class="keyword">extern</span> <span class="keywordtype">void</span> vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="preprocessor">    #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">/* Architecture specific optimisations. */</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="preprocessor">#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="preprocessor">    #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="preprocessor">#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>    <span class="comment">/* Generic helper function. */</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>    __attribute__( ( always_inline ) ) <span class="keyword">static</span> <span class="keyword">inline</span> uint8_t ucPortCountLeadingZeros( uint32_t ulBitmap )</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>    {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    uint8_t ucReturn;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>        __asm <span class="keyword">volatile</span> ( <span class="stringliteral">&quot;clz %0, %1&quot;</span> : <span class="stringliteral">&quot;=r&quot;</span> ( ucReturn ) : <span class="stringliteral">&quot;r&quot;</span> ( ulBitmap ) : <span class="stringliteral">&quot;memory&quot;</span> );</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>        <span class="keywordflow">return</span> ucReturn;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    }</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>    <span class="comment">/* Check the configuration. */</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="preprocessor">    #if( configMAX_PRIORITIES &gt; 32 )</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="preprocessor">        #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32.  It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>    <span class="comment">/* Store/clear the ready priorities in a bit map. */</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="preprocessor">    #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL &lt;&lt; ( uxPriority ) )</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="preprocessor">    #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &amp;= ~( 1UL &lt;&lt; ( uxPriority ) )</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>    <span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="preprocessor">    #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) ucPortCountLeadingZeros( ( uxReadyPriorities ) ) )</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="preprocessor">#endif </span><span class="comment">/* configUSE_PORT_OPTIMISED_TASK_SELECTION */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="preprocessor">#ifdef configASSERT</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>    <span class="keywordtype">void</span> vPortValidateInterruptPriority( <span class="keywordtype">void</span> );</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="preprocessor">    #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID()  vPortValidateInterruptPriority()</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">/* portNOP() is not required by this port. */</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="preprocessor">#define portNOP()</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="preprocessor">#define portINLINE  __inline</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="preprocessor">#ifndef portFORCE_INLINE</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="preprocessor">    #define portFORCE_INLINE inline __attribute__(( always_inline))</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>portFORCE_INLINE <span class="keyword">static</span> BaseType_t xPortIsInsideInterrupt( <span class="keywordtype">void</span> )</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>{</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>uint32_t ulCurrentInterrupt;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>BaseType_t xReturn;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    <span class="comment">/* Obtain the number of the currently executing interrupt. */</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>    __asm <span class="keyword">volatile</span>( <span class="stringliteral">&quot;mrs %0, ipsr&quot;</span> : <span class="stringliteral">&quot;=r&quot;</span>( ulCurrentInterrupt ) :: <span class="stringliteral">&quot;memory&quot;</span> );</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    <span class="keywordflow">if</span>( ulCurrentInterrupt == 0 )</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>    {</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>        xReturn = pdFALSE;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    }</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>    {</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>        xReturn = pdTRUE;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    }</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    <span class="keywordflow">return</span> xReturn;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>}</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>portFORCE_INLINE <span class="keyword">static</span> <span class="keywordtype">void</span> vPortRaiseBASEPRI( <span class="keywordtype">void</span> )</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>{</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>uint32_t ulNewBASEPRI;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>    __asm <span class="keyword">volatile</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>    (</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>        <span class="stringliteral">&quot;   mov %0, %1                                              \n&quot;</span> \</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>        <span class="stringliteral">&quot;   msr basepri, %0                                         \n&quot;</span> \</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>        <span class="stringliteral">&quot;   isb                                                     \n&quot;</span> \</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        <span class="stringliteral">&quot;   dsb                                                     \n&quot;</span> \</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>        :<span class="stringliteral">&quot;=r&quot;</span> (ulNewBASEPRI) : <span class="stringliteral">&quot;i&quot;</span> ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : <span class="stringliteral">&quot;memory&quot;</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>    );</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>}</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span> </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>portFORCE_INLINE <span class="keyword">static</span> uint32_t ulPortRaiseBASEPRI( <span class="keywordtype">void</span> )</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>{</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>uint32_t ulOriginalBASEPRI, ulNewBASEPRI;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>    __asm <span class="keyword">volatile</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>    (</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>        <span class="stringliteral">&quot;   mrs %0, basepri                                         \n&quot;</span> \</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>        <span class="stringliteral">&quot;   mov %1, %2                                              \n&quot;</span> \</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>        <span class="stringliteral">&quot;   msr basepri, %1                                         \n&quot;</span> \</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>        <span class="stringliteral">&quot;   isb                                                     \n&quot;</span> \</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>        <span class="stringliteral">&quot;   dsb                                                     \n&quot;</span> \</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>        :<span class="stringliteral">&quot;=r&quot;</span> (ulOriginalBASEPRI), <span class="stringliteral">&quot;=r&quot;</span> (ulNewBASEPRI) : <span class="stringliteral">&quot;i&quot;</span> ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : <span class="stringliteral">&quot;memory&quot;</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    );</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <span class="comment">/* This return will not be reached but is necessary to prevent compiler</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">    warnings. */</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    <span class="keywordflow">return</span> ulOriginalBASEPRI;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>}</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>portFORCE_INLINE <span class="keyword">static</span> <span class="keywordtype">void</span> vPortSetBASEPRI( uint32_t ulNewMaskValue )</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>{</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>    __asm <span class="keyword">volatile</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>    (</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>        <span class="stringliteral">&quot;   msr basepri, %0 &quot;</span> :: <span class="stringliteral">&quot;r&quot;</span> ( ulNewMaskValue ) : <span class="stringliteral">&quot;memory&quot;</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>    );</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>}</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="comment">/*-----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="preprocessor">#define portMEMORY_BARRIER() __asm volatile( &quot;&quot; ::: &quot;memory&quot; )</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>}</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="preprocessor">#endif </span><span class="comment">/* PORTMACRO_H */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span> </div>
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